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Finding the Third Proportional to 70,212.38 and 154,739.25

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Solution

The third proportional to 70,212.38 and 154,739.25 is: 341,025.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,212.38 : 154,739.25 = 154,739.25 : x
  2. Step 2: Convert to fraction form
    70,212.38/154,739.25 = 154,739.25/x
  3. Step 3: Cross multiply
    70,212.38x = 154,739.25 × 154,739.25
  4. Step 4: Simplify right side
    70,212.38x = 23,944,235,490.56
  5. Step 5: Solve for x
    x = 23,944,235,490.56/70,212.38
  6. Step 6: Final answer
    x = 341,025.86

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.